Simple cubic super crystals containing PbTe nanocubes and their core-shell building blocks.
We report a preparation of high-quality cubic PbTe nanocrystals and their assembly into both square-array, two-dimensional patterns and three-dimensional simple cubic super crystals. The influence of oleylamine in the nanocrystal synthesis and core-shell formation through an anion-exchange mechanism was also studied. The simple cubic super crystals together with two-dimensional assembly patterns containing PbTe nanocubes and their core-shell building blocks were examined using TEM, SEM, AFM, XRD, SAXS, and FTIR. Such super crystals consisting of cubic structural building blocks may allow engineering of more complex materials from which novel properties may emerge.
Zhang
Jun
J
Department of Chemistry, State University of New York at Binghamton, Binghamton, New York 13902, USA.
Kumbhar
Amar
A
He
Jibao
J
Das
Narayan Chandra
NC
Yang
Kaikun
K
Wang
Jian-Qing
JQ
Wang
Howard
H
Stokes
Kevin L
KL
Fang
Jiye
J